from zipfile import ZipFile
ans = []
with ZipFile('./channel.zip') as zz:
    filename = "90052.txt"
    while filename in zz.namelist():
        ans.append(zz.getinfo(filename).comment.decode('utf-8'))
        with zz.open(filename) as ff:
            content = ff.read().decode('utf-8')
            filename = f"{content.split()[-1]}.txt"
            # print(filename)
    else:
        print(content)
print("".join(ans))  # oxygen